diehardlex

I own a GS450h and I've had a "Brake Malfunction" display message with various lights and messages. It tells me to Check ABS, VSC, and other items. The brake light and a couple next to it are also lit. I connected Techstream and these codes were found. Please advise. I've had the wheel bearing changed, however that was a month before these codes popped up.

C1391 Abnormal Leak in Accumulator
C1522 ECU Abnormal
C1776 Speed Sensor

Thanks in advance.

LovezLexus

Welcome to Clublexus. Sorry nobody has responded to you so far. From my knowledge the abnormal leak in accumulator has something to do with the electronic brakes. A common thing with these cars is that there will be a buzzing sound from the ABS actuator. It will start as a quick faint sound, however it will grow over time. Sadly, this is around a $2,000 fix and I have never heard of Lexus doing any goodwill. If you gave extended warranty great, otherwise that's a major cost.

ECU Abnormal, not too sure. Maybe it is related to the brake malfunction

Speed sensor Malfunction, probably bearing?

Sorry,I'm not too much help. Hopefully others will chime in. Good luck